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fbdev: kill sparse warning in deferred IO

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Kill the following in fb_defio.c:

drivers/video/fb_defio.c:40:43: warning: incorrect type in argument 1 (different address spaces)
drivers/video/fb_defio.c:40:43:    expected void *addr
drivers/video/fb_defio.c:40:43:    got char [noderef] *screen_base<asn:2>

The framebuffer memory of these types of devices are allocated from system
RAM.

Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Antonino A. Daplas 2007-05-08 00:38:44 -07:00 committed by Linus Torvalds
parent 895bf69b8f
commit 98a1153acd
1 changed files with 3 additions and 1 deletions
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4
drivers/video/fb_defio.c
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@ -32,12 +32,14 @@ static struct page* fb_deferred_io_nopage(struct vm_area_struct *vma,
unsigned long offset;
struct page *page;
struct fb_info *info = vma->vm_private_data;
/* info->screen_base is in System RAM */
void *screen_base = (void __force *) info->screen_base;
offset = (vaddr - vma->vm_start) + (vma->vm_pgoff << PAGE_SHIFT);
if (offset >= info->fix.smem_len)
return NOPAGE_SIGBUS;
page = vmalloc_to_page(info->screen_base + offset);
page = vmalloc_to_page(screen_base + offset);
if (!page)
return NOPAGE_OOM;